Arbitrary

medium

AR-bih-trair-ee

adjective

Definition

Based on random choice or personal whim, rather than any reason or system

Examples

The decision seemed arbitrary and lacked clear justification.
Setting arbitrary deadlines can demotivate employees.

Synonyms

capriciousrandomwhimsicalunreasoned

Antonyms

reasonedsystematicrationalprincipled

Categories

GRE Tip

Arbitrary is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "capricious" or "random" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "reasoned".

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